Kai Havertz scores late penalty leveller for Arsenal on return to former club Bayern Leverkusen in Champions League last-16 first-leg tie in Germany.

Plymouth continue their play-off charge in League One with a convincing victory at struggling Wigan, who are now in the relegation zone on goals scored.

Brentford are beaten by West Ham on penalties as Dango Ouattara is left to rue a missed Panenka. Is there ever a right rime to take one?

Abstract: With the increasing frequency of external damages to transmission lines, traditional manual monitoring methods consume significant human resources. This paper proposes a computer ...

Abstract: Dense distribution and significant size difference of transmission line connecting fittings are difficult to maintain, and long-term exposure to the outdoor environment is vulnerable to ...

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